Home / 51,406.25-77,110.89-13,966.12

Finding the Fourth Proportional to 51,406.25, 77,110.89 and 13,966.12

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Solution

The fourth proportional to 51,406.25, 77,110.89 and 13,966.12 is: 20,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,406.25 : 77,110.89 = 13,966.12 : x
  2. Step 2: Convert to fraction form
    51,406.25/77,110.89 = 13,966.12/x
  3. Step 3: Cross multiply
    51,406.25x = 77,110.89 × 13,966.12
  4. Step 4: Simplify right side
    51,406.25x = 1,076,939,987.06
  5. Step 5: Solve for x
    x = 1,076,939,987.06/51,406.25
  6. Step 6: Final answer
    x = 20,949.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.